Intuniv extended-release tabletsPronunciation
Generic Name: guanfacine (GWAHN-fa-seen)
Brand Name: Intuniv
Intuniv extended-release tablets is used for:
Treating attention deficit hyperactivity disorder (ADHD).
Intuniv extended-release tablets is an alpha agonist. Exactly how Intuniv extended-release tablets works to treat ADHD is not known.
Do NOT use Intuniv extended-release tablets if:
- you are allergic to any ingredient in Intuniv extended-release tablets
- you are taking another medicine that contains guanfacine
Contact your doctor or health care provider right away if any of these apply to you.
Before using Intuniv extended-release tablets:
Some medical conditions may interact with Intuniv extended-release tablets. Tell your doctor or pharmacist if you have any medical conditions, especially if any of the following apply to you:
- if you are pregnant, planning to become pregnant, or are breast-feeding
- if you are taking any prescription or nonprescription medicine, herbal preparation, or dietary supplement
- if you have allergies to medicines, foods, or other substances
- if you have a history of low blood pressure, dizziness when you stand up, heart problems (eg, heart block, slow or irregular heartbeat), or fainting
- if you have liver or kidney problems
- if you are dehydrated or will be exposed to high temperatures
- if you are taking medicine for high blood pressure
Some MEDICINES MAY INTERACT with Intuniv extended-release tablets. Tell your health care provider if you are taking any other medicines, especially any of the following:
- Tizanidine or medicine for high blood pressure because the risk of low blood pressure or fainting may be increased
- Ketoconazole because it may increase the risk of Intuniv extended-release tablets's side effects
- Rifampin because it may decrease Intuniv extended-release tablets's effectiveness
- Barbiturates (eg, phenobarbital), benzodiazepines (eg, diazepam), phenothiazines (eg, chlorpromazine), or valproic acid because the risk of their side effects may be increased by Intuniv extended-release tablets
This may not be a complete list of all interactions that may occur. Ask your health care provider if Intuniv extended-release tablets may interact with other medicines that you take. Check with your health care provider before you start, stop, or change the dose of any medicine.
How to use Intuniv extended-release tablets:
Use Intuniv extended-release tablets as directed by your doctor. Check the label on the medicine for exact dosing instructions.
- An extra patient leaflet is available with Intuniv extended-release tablets. Talk to your pharmacist if you have questions about this information.
- Take Intuniv extended-release tablets by mouth with or without food. Do not take it with a high-fat meal.
- Take Intuniv extended-release tablets with water, milk, or another liquid.
- Swallow Intuniv extended-release tablets whole. Do not break, crush, or chew before swallowing.
- If you are switching to Intuniv extended-release tablets from immediate-release guanfacine, talk with your doctor about how you should stop taking the immediate-release tablets and start taking Intuniv extended-release tablets.
- Do not suddenly stop taking Intuniv extended-release tablets. You may have an increased risk of side effects. If you need to stop Intuniv extended-release tablets, your doctor will gradually lower your dose.
- If you miss a dose of Intuniv extended-release tablets, take it as soon as possible. If it is almost time for your next dose, skip the missed dose and go back to your regular dosing schedule. Do not take 2 doses at once. If you miss more than 1 dose, contact your doctor.
Ask your health care provider any questions you may have about how to use Intuniv extended-release tablets.
Important safety information:
- Intuniv extended-release tablets may cause drowsiness or dizziness. These effects may be worse if you take it with alcohol or certain medicines. Use Intuniv extended-release tablets with caution. Do not drive or perform other possibly unsafe tasks until you know how you react to it.
- Intuniv extended-release tablets may cause dizziness, lightheadedness, or fainting; alcohol, hot weather, exercise, or fever may increase these effects. To prevent them, sit up or stand slowly, especially in the morning. Sit or lie down at the first sign of any of these effects.
- Do not drink alcohol while you are taking Intuniv extended-release tablets.
- Talk with your doctor before you use medicines that may cause drowsiness (eg, sleep aids, muscle relaxers) while you are using Intuniv extended-release tablets; it may add to their effects. Ask your pharmacist if you have questions about which medicines may cause drowsiness.
- Do NOT take more than the recommended dose without checking with your doctor.
- Do not become overheated or dehydrated in hot weather or while you are being active; the risk of low blood pressure or fainting may be increased.
- Lab tests, including heart rate and blood pressure, may be performed while you use Intuniv extended-release tablets. These tests may be used to monitor your condition or check for side effects. Be sure to keep all doctor and lab appointments.
- Intuniv extended-release tablets should be used with extreme caution in CHILDREN younger than 6 years old; safety and effectiveness in these children have not been confirmed.
- PREGNANCY and BREAST-FEEDING: If you become pregnant, contact your doctor. You will need to discuss the benefits and risks of using Intuniv extended-release tablets while you are pregnant. It is not known if Intuniv extended-release tablets is found in breast milk. If you are or will be breast-feeding while you use Intuniv extended-release tablets, check with your doctor. Discuss any possible risks to your baby.
Possible side effects of Intuniv extended-release tablets:
All medicines may cause side effects, but many people have no, or minor, side effects. Check with your doctor if any of these most COMMON side effects persist or become bothersome:
Seek medical attention right away if any of these SEVERE side effects occur:
Constipation; decreased appetite; dizziness; drowsiness; dry mouth; headache; irritability; nausea; sluggishness; stomach pain; tiredness; vomiting.
Severe allergic reactions (rash; hives; itching; difficulty breathing; tightness in the chest; swelling of the mouth, face, lips, or tongue); fainting; seizures; severe or persistent dizziness, drowsiness, or weakness; slow or irregular heartbeat.
This is not a complete list of all side effects that may occur. If you have questions about side effects, contact your health care provider. Call your doctor for medical advice about side effects. To report side effects to the appropriate agency, please read the Guide to Reporting Problems to FDA.
If OVERDOSE is suspected:
Contact 1-800-222-1222 (the American Association of Poison Control Centers), your local poison control center, or emergency room immediately. Symptoms may include pinpoint pupils; severe or persistent dizziness, drowsiness, or sluggishness; slow heartbeat.Proper storage of Intuniv extended-release tablets:
Store Intuniv extended-release tablets at room temperature, between 59 and 86 degrees F (15 and 30 degrees C). Store away from heat, moisture, and light. Do not store in the bathroom. Keep Intuniv extended-release tablets out of the reach of children and away from pets.
- If you have any questions about Intuniv extended-release tablets, please talk with your doctor, pharmacist, or other health care provider.
- Intuniv extended-release tablets is to be used only by the patient for whom it is prescribed. Do not share it with other people.
- If your symptoms do not improve or if they become worse, check with your doctor.
- Check with your pharmacist about how to dispose of unused medicine.
This information should not be used to decide whether or not to take Intuniv extended-release tablets or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about Intuniv extended-release tablets. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to Intuniv extended-release tablets. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using Intuniv extended-release tablets.
Disclaimer: This information should not be used to decide whether or not to take this medicine or any other medicine. Only your health care provider has the knowledge and training to decide which medicines are right for you. This information does not endorse any medicine as safe, effective, or approved for treating any patient or health condition. This is only a brief summary of general information about this medicine. It does NOT include all information about the possible uses, directions, warnings, precautions, interactions, adverse effects, or risks that may apply to this medicine. This information is not specific medical advice and does not replace information you receive from your health care provider. You must talk with your healthcare provider for complete information about the risks and benefits of using this medicine.